46809442679 has 4 divisors (see below), whose sum is σ = 46828419384. Its totient is φ = 46790465976.

The previous prime is 46809442633. The next prime is 46809442697. The reversal of 46809442679 is 97624490864.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46809442679 - 2⁸ = 46809442423 is a prime.

It is a super-2 number, since 2×46809442679² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46809442699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9484652 + ... + 9489585.

It is an arithmetic number, because the mean of its divisors is an integer number (11707104846).

Almost surely, 2^46809442679 is an apocalyptic number.

46809442679 is a deficient number, since it is larger than the sum of its proper divisors (18976705).

46809442679 is a wasteful number, since it uses less digits than its factorization.

46809442679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18976704.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 46809442679 in words is "forty-six billion, eight hundred nine million, four hundred forty-two thousand, six hundred seventy-nine".